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Finding the Fourth Proportional to 658,658.61, 908,447.36 and 566,934.01

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Solution

The fourth proportional to 658,658.61, 908,447.36 and 566,934.01 is: 781,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,658.61 : 908,447.36 = 566,934.01 : x
  2. Step 2: Convert to fraction form
    658,658.61/908,447.36 = 566,934.01/x
  3. Step 3: Cross multiply
    658,658.61x = 908,447.36 × 566,934.01
  4. Step 4: Simplify right side
    658,658.61x = 515,029,703,824.93
  5. Step 5: Solve for x
    x = 515,029,703,824.93/658,658.61
  6. Step 6: Final answer
    x = 781,937.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.